463720261 has 2 divisors, whose sum is σ = 463720262. Its totient is φ = 463720260.

The previous prime is 463720211. The next prime is 463720321. The reversal of 463720261 is 162027364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249829636 + 213890625 = 15806^2 + 14625^2 .

It is a cyclic number.

It is not a de Polignac number, because 463720261 - 2²¹ = 461623109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463720211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231860130 + 231860131.

It is an arithmetic number, because the mean of its divisors is an integer number (231860131).

Almost surely, 2^463720261 is an apocalyptic number.

It is an amenable number.

463720261 is a deficient number, since it is larger than the sum of its proper divisors (1).

463720261 is an equidigital number, since it uses as much as digits as its factorization.

463720261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 463720261 is about 21534.1649710408. The cubic root of 463720261 is about 774.0197170850.

The spelling of 463720261 in words is "four hundred sixty-three million, seven hundred twenty thousand, two hundred sixty-one".